118 lines
2.8 KiB
Factor
118 lines
2.8 KiB
Factor
! Copyright (C) 2008 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien alien.c-types alien.strings io.encodings.utf8
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io.backend.unix kernel math sequences splitting unix strings
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combinators.short-circuit grouping byte-arrays combinators
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accessors math.parser fry assocs namespaces continuations
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vocabs.loader system ;
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IN: unix.users
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TUPLE: passwd user-name password uid gid gecos dir shell ;
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HOOK: new-passwd os ( -- passwd )
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HOOK: passwd>new-passwd os ( passwd -- new-passwd )
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<PRIVATE
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M: unix new-passwd ( -- passwd )
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passwd new ;
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M: unix passwd>new-passwd ( passwd -- seq )
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[ new-passwd ] dip
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{
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[ passwd-pw_name >>user-name ]
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[ passwd-pw_passwd >>password ]
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[ passwd-pw_uid >>uid ]
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[ passwd-pw_gid >>gid ]
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[ passwd-pw_gecos >>gecos ]
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[ passwd-pw_dir >>dir ]
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[ passwd-pw_shell >>shell ]
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} cleave ;
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: with-pwent ( quot -- )
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[ endpwent ] [ ] cleanup ; inline
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PRIVATE>
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: all-users ( -- seq )
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[
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[ getpwent dup ] [ passwd>new-passwd ] produce nip
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] with-pwent ;
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SYMBOL: user-cache
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: <user-cache> ( -- assoc )
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all-users [ [ uid>> ] keep ] H{ } map>assoc ;
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: with-user-cache ( quot -- )
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[ <user-cache> user-cache ] dip with-variable ; inline
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GENERIC: user-passwd ( obj -- passwd/f )
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M: integer user-passwd ( id -- passwd/f )
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user-cache get
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[ at ] [ getpwuid [ passwd>new-passwd ] [ f ] if* ] if* ;
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M: string user-passwd ( string -- passwd/f )
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getpwnam dup [ passwd>new-passwd ] when ;
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: user-name ( id -- string )
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dup user-passwd
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[ nip user-name>> ] [ number>string ] if* ;
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: user-id ( string -- id )
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user-passwd uid>> ;
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: real-user-id ( -- id )
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getuid ; inline
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: real-user-name ( -- string )
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real-user-id user-name ; inline
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: effective-user-id ( -- id )
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geteuid ; inline
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: effective-user-name ( -- string )
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effective-user-id user-name ; inline
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GENERIC: set-real-user ( string/id -- )
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GENERIC: set-effective-user ( string/id -- )
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: with-real-user ( string/id quot -- )
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'[ _ set-real-user @ ]
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real-user-id '[ _ set-real-user ]
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[ ] cleanup ; inline
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: with-effective-user ( string/id quot -- )
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'[ _ set-effective-user @ ]
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effective-user-id '[ _ set-effective-user ]
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[ ] cleanup ; inline
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<PRIVATE
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: (set-real-user) ( id -- )
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setuid io-error ; inline
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: (set-effective-user) ( id -- )
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seteuid io-error ; inline
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PRIVATE>
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M: string set-real-user ( string -- )
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user-id (set-real-user) ;
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M: integer set-real-user ( id -- )
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(set-real-user) ;
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M: integer set-effective-user ( id -- )
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(set-effective-user) ;
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M: string set-effective-user ( string -- )
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user-id (set-effective-user) ;
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os {
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{ [ dup bsd? ] [ drop "unix.users.bsd" require ] }
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{ [ dup linux? ] [ drop ] }
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} cond
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